Compare models
Put models side by side on price, context, capabilities, and benchmarks.
Sonar Reasoning Pro combines Perplexity's web-grounded search with explicit chain-of-thought reasoning. It is designed for complex analytical questions that require both up-to-date factual grounding and multi-step logical reasoning over the retrieved information.
Claude Haiku 4.5 is Anthropic's fast, affordable small model in the Claude 4 generation, balancing strong instruction-following and coding ability with low latency. It is designed for high-throughput agentic and chat applications where speed and cost efficiency are priorities.
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.